Home / 108,459,077.40-162,848,048.40-76,253,752.80

Finding the Fourth Proportional to 108,459,077.40, 162,848,048.40 and 76,253,752.80

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Solution

The fourth proportional to 108,459,077.40, 162,848,048.40 and 76,253,752.80 is: 114,492,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,459,077.40 : 162,848,048.40 = 76,253,752.80 : x
  2. Step 2: Convert to fraction form
    108,459,077.40/162,848,048.40 = 76,253,752.80/x
  3. Step 3: Cross multiply
    108,459,077.40x = 162,848,048.40 × 76,253,752.80
  4. Step 4: Simplify right side
    108,459,077.40x = 12,417,774,826,656,036
  5. Step 5: Solve for x
    x = 12,417,774,826,656,036/108,459,077.40
  6. Step 6: Final answer
    x = 114,492,720.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.